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#define ISAL_UNIT_TEST
#include <stdio.h>
#include <stdlib.h>

#ifndef FIPS_MODE
#include "sm3_mb.h"
#include "endian_helper.h"

#define TEST_LEN  (1024 * 1024)
#define TEST_BUFS 100
#ifndef RANDOMS
#define RANDOMS 10
#endif
#ifndef TEST_SEED
#define TEST_SEED 0x1234
#endif

static uint8_t digest_ref[TEST_BUFS][4 * ISAL_SM3_DIGEST_NWORDS];

// Compare against reference function
extern void
sm3_ossl(const unsigned char *buf, size_t length, unsigned char *digest);

// Generates pseudo-random data
static void
rand_buffer(unsigned char *buf, const long buffer_size)
{
        long i;
        for (i = 0; i < buffer_size; i++)
                buf[i] = rand();
}
#endif /* !FIPS_MODE */

int
main(void)
{
#ifndef FIPS_MODE
        ISAL_SM3_HASH_CTX_MGR *mgr = NULL;
        ISAL_SM3_HASH_CTX ctxpool[TEST_BUFS];
        ISAL_SM3_HASH_CTX *ctx = NULL;
        uint32_t i, j, fail = 0;
        unsigned char *bufs[TEST_BUFS];
        uint32_t lens[TEST_BUFS];
        unsigned int jobs, t;
        uint8_t *tmp_buf;
        int ret;

        printf("multibinary_sm3 test, %d sets of %dx%d max: ", RANDOMS, TEST_BUFS, TEST_LEN);

        ret = posix_memalign((void *) &mgr, 16, sizeof(ISAL_SM3_HASH_CTX_MGR));
        if ((ret != 0) || (mgr == NULL)) {
                printf("posix_memalign failed test aborted\n");
                return 1;
        }

        isal_sm3_ctx_mgr_init(mgr);

        srand(TEST_SEED);

        for (i = 0; i < TEST_BUFS; i++) {
                // Allocate  and fill buffer
                bufs[i] = (unsigned char *) malloc(TEST_LEN);
                if (bufs[i] == NULL) {
                        printf("malloc failed test aborted\n");
                        return 1;
                }
                rand_buffer(bufs[i], TEST_LEN);

                // Init ctx contexts
                isal_hash_ctx_init(&ctxpool[i]);
                ctxpool[i].user_data = (void *) ((uint64_t) i);

                // Run reference test
                sm3_ossl(bufs[i], TEST_LEN, digest_ref[i]);

                // Run sb_sm3 test
                isal_sm3_ctx_mgr_submit(mgr, &ctxpool[i], &ctx, bufs[i], TEST_LEN,
                                        ISAL_HASH_ENTIRE);
        }

        while (isal_sm3_ctx_mgr_flush(mgr, &ctx) == 0)
                if (ctx == NULL)
                        break;

        for (i = 0; i < TEST_BUFS; i++) {
                for (j = 0; j < ISAL_SM3_DIGEST_NWORDS; j++) {
                        if (ctxpool[i].job.result_digest[j] !=
                            to_le32(((uint32_t *) digest_ref[i])[j])) {
                                fail++;
                                printf("Test%d fixed size, digest%d "
                                       "fail 0x%08X <=> 0x%08X \n",
                                       i, j, ctxpool[i].job.result_digest[j],
                                       to_le32(((uint32_t *) digest_ref[i])[j]));
                        }
                }
        }

        if (fail) {
                printf("Test failed function check %d\n", fail);
                return fail;
        }
        // Run tests with random size and number of jobs
        for (t = 0; t < RANDOMS; t++) {
                jobs = rand() % (TEST_BUFS);

                isal_sm3_ctx_mgr_init(mgr);

                for (i = 0; i < jobs; i++) {
                        // Use buffer with random len and contents
                        lens[i] = rand() % (TEST_LEN);
                        rand_buffer(bufs[i], lens[i]);

                        // Run reference test
                        sm3_ossl(bufs[i], lens[i], digest_ref[i]);

                        // Run sm3_mb test
                        isal_sm3_ctx_mgr_submit(mgr, &ctxpool[i], &ctx, bufs[i], lens[i],
                                                ISAL_HASH_ENTIRE);
                }

                while (isal_sm3_ctx_mgr_flush(mgr, &ctx) == 0)
                        if (ctx == NULL)
                                break;

                for (i = 0; i < jobs; i++) {
                        for (j = 0; j < ISAL_SM3_DIGEST_NWORDS; j++) {
                                if (ctxpool[i].job.result_digest[j] !=
                                    to_le32(((uint32_t *) digest_ref[i])[j])) {
                                        fail++;
                                        printf("Test%d, digest%d fail "
                                               "0x%08X <=> 0x%08X\n",
                                               i, j, ctxpool[i].job.result_digest[j],
                                               to_le32(((uint32_t *) digest_ref[i])[j]));
                                }
                        }
                }
                if (fail) {
                        printf("Test failed function check %d\n", fail);
                        return fail;
                }

                putchar('.');
                fflush(0);
        } // random test t

        // Test at the end of buffer
        jobs = rand() % TEST_BUFS;
        tmp_buf = (uint8_t *) malloc(sizeof(uint8_t) * jobs);
        if (!tmp_buf) {
                printf("malloc failed, end test aborted.\n");
                return 1;
        }

        rand_buffer(tmp_buf, jobs);

        isal_sm3_ctx_mgr_init(mgr);

        // Extend to the end of allocated buffer to construct jobs
        for (i = 0; i < jobs; i++) {
                bufs[i] = (uint8_t *) &tmp_buf[i];
                lens[i] = jobs - i;

                // Reference test
                sm3_ossl(bufs[i], lens[i], digest_ref[i]);

                // sb_sm3 test
                isal_sm3_ctx_mgr_submit(mgr, &ctxpool[i], &ctx, bufs[i], lens[i], ISAL_HASH_ENTIRE);
        }

        while (isal_sm3_ctx_mgr_flush(mgr, &ctx) == 0)
                if (ctx == NULL)
                        break;

        for (i = 0; i < jobs; i++) {
                for (j = 0; j < ISAL_SM3_DIGEST_NWORDS; j++) {
                        if (ctxpool[i].job.result_digest[j] !=
                            to_le32(((uint32_t *) digest_ref[i])[j])) {
                                fail++;
                                printf("End test failed at offset %d - result: 0x%08X"
                                       ", ref: 0x%08X\n",
                                       i, ctxpool[i].job.result_digest[j],
                                       to_le32(((uint32_t *) digest_ref[i])[j]));
                        }
                }
        }

        putchar('.');

        if (fail)
                printf("Test failed function check %d\n", fail);
        else
                printf(" multibinary_sm3 rand: Pass\n");

        return fail;
#else
        printf("Not Executed\n");
        return 0;
#endif /* FIPS_MODE */
}
